T4.5V Teff(T4.5V) = 1069 K ; Filipazzo15 M6V-T9V field calibration Teff(T4.5V) = 1172 K ; Kirkpatrick20 (Table 13 polynomial) => adopt Teff(T4.5V) = 1170 K (logT = 3.068) [updated 12/30/2020] M_J(MKO)(T4.5V) = 13.57 ; 2MASS_0559-1404 calc using Kirkpatrick20 (plx=97.28mas) M_J(MKO)(T4.5V) = 14.10 ; SDSS_0000+2554 calc using Kirkpatrick20 (plx=70.8mas) M_J(MKO)(T4.5V) = 14.34 ; PSO_0506+5236 calc using Kirkpatrick20 (plx=61.3mas) M_J(MKO)(T4.5V) = 14.45 ; HIP_38939B calc using Kirkpatrick20 (plx=54.1012mas) M_J(MKO)(T4.5V) = 14.46 ; M_J(T4.5V)=14.69, J(MKO)-J=-0.23 M_J(MKO)(T4.5V) = 14.50 ; WISE_1743+4211 calc using Kirkpatrick20 (plx=59.2mas) M_J(MKO)(T4.5V) = 14.72 ; 2MASS_0602+4043 calc using Kirkpatrick20 (plx=76.4mas) M_J(MKO)(T4.5V) = 16.57 ; WISE_2302-7134 calc using Kirkpatrick20 (plx=64.8mas) => adopt M_J(MKO)(T4.5V) = 14.46 [updated 12/5/2020] (M_J(T4.5V)=14.69, J(MKO)-J=-0.23) M_J(T4.5V) = 13.74 ; 2MASS_0559-1404 calc using Kirkpatrick20 (plx=97.28mas) M_J(T4.5V) = 14.31 ; SDSS_0000+2554 calc using Kirkpatrick20 (plx=70.8mas) M_J(T4.5V) = 14.69 ; PSO_0506+5236 calc using Kirkpatrick20 (plx=61.3mas) M_J(T4.5V) = 14.69 ; WISE_1743+4211 calc using Kirkpatrick20 (plx=59.2mas) M_J(T4.5V) = 14.69 ; CWISE_2012+7017 calc using Kirkpatrick20 (plx=46.6mas) M_J(T4.5V) = 14.79 ; HIP_38939B calc using Kirkpatrick20 (plx=54.1012mas) M_J(T4.5V) = 14.96 ; 2MASS_0602+4043 calc using Kirkpatrick20 (plx=76.4mas) M_J(T4.5V) = 16.89 ; WISE_2302-7134 calc using Kirkpatrick20 (plx=64.8mas) => adopt M_J(T4.5V) = 14.69 [updated 12/5/2020] (M_J(MKO)(T4.5V)=14.46, J(MKO)-J=-0.23) (J(MKO)-J)(T4.5V) = -0.35 +- 0.07 ; PSO___0506+5236 14.5 (J(MKO)-J)(T4.5V) = -0.34 +- 0.08 ; HIP_38939B 14.5 (J(MKO)-J)(T4.5V) = -0.32 +- 0.08 ; WISE__2302-7134 14.5 (J(MKO)-J)(T4.5V) = -0.24 +- 0.07 ; 2MASS_0602+4043 14.5 (J(MKO)-J)(T4.5V) = -0.22 +- 0.12 ; CWISE_2012+7017 14.5 (J(MKO)-J)(T4.5V) = -0.21 +- 0.04 ; SDSS__0000+2554 14.5 (J(MKO)-J)(T4.5V) = -0.19 +- 0.06 ; WISE__1743+4211 14.5 (J(MKO)-J)(T4.5V) = -0.17 +- 0.02 ; 2MASS_0559-1404 14.5 => adopt (J(MKO)-J)(T4.5V) = -0.23 [updated 12/5/2020] M_Ks(T4.5V) = 13.54 ; 2MASS_0559-1404 calc using Kirkpatrick20 (plx=97.28mas) M_Ks(T4.5V) = 14.09 ; SDSS_0000+2554 calc using Kirkpatrick20 (plx=70.8mas) M_Ks(T4V) = 14.2 ; T4V adopted M_Ks(T4.5V) > 14.53 ; HIP_38939B calc using Kirkpatrick20 (plx=54.1012mas) M_Ks(T4.5V) = 14.54 ; PSO_0506+5236 calc using Kirkpatrick20 (plx=61.3mas) M_Ks(T4.5V) = 14.59 ; 2MASS_0602+4043 calc using Kirkpatrick20 (plx=76.4mas) M_Ks(T5V) = 14.8 ; T5V adopted M_Ks(T4.5V) = 14.89 ; WISE_1743+4211 calc using Kirkpatrick20 (plx=59.2mas) M_Ks(T4.5V) > 15.12 ; CWISE_2012+7017 calc using Kirkpatrick20 (plx=46.6mas) => adopt M_Ks(T4.5V) = 14.55 [updated 12/5/2020] M_K(MKO)(T4.5V) = 13.67 ; 2MASS_0559-1404 calc using Kirkpatrick20 (plx=97.28mas) M_K(MKO)(T4.5V) = 14.07 ; SDSS_0000+2554 calc using Kirkpatrick20 (plx=70.8mas) (K(MKO)-Ks)(T4.5V) = -0.02 +- 0.12 ; SDSS__0000+2554 (K(MKO)-Ks)(T4.5V) = 0.13 +- 0.03 ; 2MASS_0559-1404